245342145 has 8 divisors (see below), whose sum is σ = 392547456. Its totient is φ = 130849136.

The previous prime is 245342143. The next prime is 245342161. The reversal of 245342145 is 541243542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245342145 - 2¹ = 245342143 is a prime.

It is a super-2 number, since 2×245342145² = 120385536226402050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245342143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8178057 + ... + 8178086.

It is an arithmetic number, because the mean of its divisors is an integer number (49068432).

Almost surely, 2^245342145 is an apocalyptic number.

It is an amenable number.

245342145 is a deficient number, since it is larger than the sum of its proper divisors (147205311).

245342145 is a wasteful number, since it uses less digits than its factorization.

245342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16356151.

The product of its digits is 19200, while the sum is 30.

The square root of 245342145 is about 15663.4014505151. The cubic root of 245342145 is about 626.0236196758.

Adding to 245342145 its reverse (541243542), we get a palindrome (786585687).

The spelling of 245342145 in words is "two hundred forty-five million, three hundred forty-two thousand, one hundred forty-five".